Fermi Questions - Sheila Talamo
Fermi questions emphasize estimation, numerical reasoning, communicating in mathematics, and questioning skills. Students often believe that "word problems" have one exact answer and that the answer is derived in a unique manner. Fermi questions encourage
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Fibonacci Numbers and Nature - Ron Knott
Fibonacci and his original problem about rabbits that gave the series its name; the family trees of bees; the golden ratio and the Fibonacci series; the Fibonacci Spiral and sea shell shapes; branching plants; flower petal and seed-heads; and the leaf
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Fibonacci Numbers and the Golden Section - Ron Knott
Information about the Fibonacci series, including a brief biography of Fibonacci, the numerical properties of the series, and the ways it is manifested in nature. Fibonacci numbers are closely related to the golden ratio (also known as the golden mean,
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Figure Five Frenzy - ridiculopathy.com
Create an arithmetic expression equal to the target number using the four basic operations, grouping parentheses, and the five number cards dealt to you. Play in arcade (against a timer), multi-player, or solitaire modes. Requires the Flash plug-in.
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Financial Literacy Math Quizzes - HowToSaveMoney.me
Quizzes for practicing addition and subtraction of dollar and coin amounts, presented with pictures of US currency or as numerical expressions. "Grade My Quiz" or generate new problems with the click of a button. The site also offers finance calculators,
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Flags - Jim Croft
Links to information about and images of flags of the world: National Flags, International Maritime Signal Flags, Motor Racing Flags, the Semaphore Flag Signaling System, and others, good for exploring symmetry in flag design.
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Flash Activities - Quincy Brown
Quincy Brown, a Post Baccalaureate PhD candidate in Computer Science at Drexel University, shares these Flash Activities that she developed with Annie Fetter, Math Forum staffer, and tested in a second grade classroom in Philadelphia. The five levels
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Flash Pegs - CleverMedia
Jump a peg over its adjacent neighbors to eliminate them until only one remains in this online version of the classic logic puzzle. Choose from nine starting configurations. Requires the Flash plug-in.
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Florida Math
Online math community for teachers in kindergarten through 5th grade.
FloridaMath.com lists the expectations for each grade. The heart of the
site is the forum where teachers share their teaching ideas.
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Fold Everything - National Geographic Society
See how paperfolding inspires the design of aircraft, stent grafts, and the packaging and transportation of telescope lenses in this overview of the history and future of origami. With downloadable instructions for folding a peacock, as well as an online
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for the love of learning - Joe Bower
"Assessment is not a spreadsheet — it's a conversation." Describing his early teaching practice as "focused on power and control," Bower has followed three principles since 2004: "students should experience their successes and failures not as reward
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Four 4's Puzzle - Ruth Carver, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Using four 4's and any operations, try to write equations that have the numbers from 0 to 100 as the answer. The answer for each number and the name of the first person to get it are
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FractaSketch - Peter Van Roy
FractaSketch is a drawing tool for Macintosh based on linear fractal geometry. The program allows, by direct manipulation (no equations), full control over the shape, complexity, and colorization of the fractal. Downloadable freeware, flyer, user manual,
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Fractiles-7 - Max Pelletier, Beverly Johnson
Magnetic tiles that use angles based on the number 7 and allow you to make designs with repeating and non-repeating patterns. Create starbursts, spirals, butterflies, mandalas, flowers, spaceships, and more. Offers a good way to introduce tiling theory
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Fractions n Decimals - David E. Giordano
Two programs in one for Win95/98/ME/NT4/2000/XP: one program converts fractions to decimals and decimals to fractions; the other adds, subtracts, multiplies, and divides fractions. Free trial download available; shareware program.
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